Home / 7,337.32-11,007.78-2,143.16

Finding the Fourth Proportional to 7,337.32, 11,007.78 and 2,143.16

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Solution

The fourth proportional to 7,337.32, 11,007.78 and 2,143.16 is: 3,215.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,337.32 : 11,007.78 = 2,143.16 : x
  2. Step 2: Convert to fraction form
    7,337.32/11,007.78 = 2,143.16/x
  3. Step 3: Cross multiply
    7,337.32x = 11,007.78 × 2,143.16
  4. Step 4: Simplify right side
    7,337.32x = 23,591,433.78
  5. Step 5: Solve for x
    x = 23,591,433.78/7,337.32
  6. Step 6: Final answer
    x = 3,215.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.